11到20用英语怎么读怎么写

11 is read as "eleven" and written as "11".
12 is read as "twelve" and written as "12".
13 is read as "thirteen" and written as "13".
14 is read as "fourteen" and written as "14".
15 is read as "fifteen" and written as "15".
16 is read as "sixteen" and written as "16".
17 is read as "seventeen" and written as "17".
18 is read as "eighteen" and written as "18".
19 is read as "nineteen" and written as "19".
20 is read as "twenty" and written as "20".